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When researchers (like you) are measuring plant productivity, they usually harvest and measure above-ground biomass. But with grassland plants, it is common to find that most of an individual's biomass is in its root system. Why don't researchers measure below-ground biomass as well?

Answer :

lyndalau86

Answer:

They would face problems like the breaking of roots while collecting data, as well as the entwined of them and therefore, getting a biased sample.

Explanation:

The root system is the subterranean or underground part of the plant body.

Particularly, the grassland plants roots can go way deep into the soil, sometimes going up to 10 feet into the ground, this would make very difficult to collect the biomass from them since they would have to go very deep to actually collect it and in the process they could break the roots.

Also, below what we see upground, there's a whole world of roots going on, with an intricate system of roots entwined with each other. So in the process of collecting these data, they would also face the problem of roots entwined with other ones so this would affect the sample data.

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